120110011020 has 36 divisors (see below), whose sum is σ = 364333700640. Its totient is φ = 32029336224.

The previous prime is 120110010961. The next prime is 120110011031. The reversal of 120110011020 is 20110011021.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 120110010993 and 120110011011.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 333638740 + ... + 333639099.

Almost surely, 2^120110011020 is an apocalyptic number.

120110011020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120110011020 is an abundant number, since it is smaller than the sum of its proper divisors (244223689620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120110011020 is a wasteful number, since it uses less digits than its factorization.

120110011020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667277854 (or 667277849 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 120110011020 its reverse (20110011021), we get a palindrome (140220022041).

Subtracting from 120110011020 its reverse (20110011021), we obtain a palindrome (99999999999).

The spelling of 120110011020 in words is "one hundred twenty billion, one hundred ten million, eleven thousand, twenty".